//the system timer (Codename "Howard Northrop")

#define ST_BASE	(0xFFFFFD00)

#define ST_PIMR		//
#define ST_IER	(volatile unsigned int*)(ST_BASE + 0x0014)	//Interrupt Enable Register
#define ST_IDR	(volatile unsigned int*)(ST_BASE + 0x0018)	//Interrupt Disable Register